Electrical and Structural Analyses of Solution-Processed Li-Doped ZnO Thin Film Transistors Exposed to Ambient Conditions

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概要

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• We report the electrical and structural features of various Li-doped ZnO thin-film transistors (TFTs) grown via a chemical solution process at low temperature. The time-dependent transfer curves for the 10 at. % Li-doped ZnO TFTs, including second-order lowered off-current magnitude, exhibited only a negative shift of -1.07 V for 25 days, compared with a -21.83 V negative shift of undoped ZnO TFTs. Secondary ion mass spectroscopy and X-ray photoelectron spectroscopy observations clearly demonstrated the structure of Li dopants and the reduction of oxygen vacancies after appropriate doping processes. Finally, the nature of improved stability in the Li-doped ZnO TFTs is described.

• 2013-01-25

著者

• HONG Jin

  Novel Functional Materials and Device Laboratory, Department of Physics, Research Institute for Natural Science, Hanyang University

• Kang Tae

  Novel Functional Materials and Device Laboratory, Department of Physics, Research Institute for Natural Science, Hanyang University, Seoul 133-791, Korea

• Kim Tae

  Novel Functional Materials and Device Laboratory, Department of Physics, Research Institute for Natural Science, Hanyang University, Seoul 133-791, Korea

• Koo Ja

  Novel Functional Materials and Device Laboratory, Department of Physics, Research Institute for Natural Science, Hanyang University, Seoul 133-791, Korea

• KANG Tae

  Novel Functional Materials and Device Laboratory, Department of Physics, Research Institute for Natural Science, Hanyang University

• KIM Tae

  Novel Functional Materials and Device Laboratory, Department of Physics, Research Institute for Natural Science, Hanyang University

• KOO Ja

  Novel Functional Materials and Device Laboratory, Department of Physics, Research Institute for Natural Science, Hanyang University

関連論文

• Photoluminescence Analysis of Energy Level on Li-Doped ZnO Nanowires Grown by a Hydrothermal Method
• Electrical and Structural Analyses of Solution-Processed Li-Doped ZnO Thin Film Transistors Exposed to Ambient Conditions
• Photoluminescence Analysis of Energy Level on Li-Doped ZnO Nanowires Grown by a Hydrothermal Method
• Electrical and Structural Analyses of Solution-Processed Li-Doped ZnO Thin Film Transistors Exposed to Ambient Conditions

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